CN103306823B - The motor vehicle of noise radiation reduction - Google Patents
The motor vehicle of noise radiation reduction Download PDFInfo
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- CN103306823B CN103306823B CN201310074308.6A CN201310074308A CN103306823B CN 103306823 B CN103306823 B CN 103306823B CN 201310074308 A CN201310074308 A CN 201310074308A CN 103306823 B CN103306823 B CN 103306823B
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- motor vehicle
- noise
- noise radiation
- engine
- reduction
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/401—Controlling injection timing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
- F02D31/001—Electric control of rotation speed
- F02D31/007—Electric control of rotation speed controlling fuel supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2409—Addressing techniques specially adapted therefor
- F02D41/2422—Selective use of one or more tables
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
- F02D2200/604—Engine control mode selected by driver, e.g. to manually start particle filter regeneration or to select driving style
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/701—Information about vehicle position, e.g. from navigation system or GPS signal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/18—Control of the engine output torque
- F02D2250/22—Control of the engine output torque by keeping a torque reserve, i.e. with temporarily reduced drive train or engine efficiency
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D31/00—Use of speed-sensing governors to control combustion engines, not otherwise provided for
- F02D31/001—Electric control of rotation speed
- F02D31/007—Electric control of rotation speed controlling fuel supply
- F02D31/009—Electric control of rotation speed controlling fuel supply for maximum speed control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1448—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an exhaust gas pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/402—Multiple injections
Abstract
The present invention relates to a kind of motor vehicle of noise radiation reduction, especially lorry or bus, it carries engine, especially diesel engine, its operation can be adjusted via jet pump by Motronic control maps equipment, Motronic control maps equipment includes microprocessor, data and program storage and input and output peripheral hardware and therefore can implement at least temporarily the noise radiation of engine is reduced to preferably make laws it is upper as defined in degree and/or the measure under it, the reduction of the noise radiation of engine can be implemented by being related to the measure of its runing adjustment, the free and/or additional data storage space for using of Motronic control maps equipment is so caused to be connected in noise reduction mode, its at least temporarily consumption rises ground and at least works approximate power and invariablenes turning speed and reduce the noise emission of driver and/or engine simultaneously, rail pressure is reduced particularly by noise reduction mode, injection is placed in later moment and/or higher volume of fuel dosage component is provided.
Description
Technical field
The present invention relates to a kind of motor vehicle of noise radiation reduction, especially lorry or bus, it is with engine, outstanding
Its diesel engine, its operation can be adjusted via jet pump by Motronic control maps equipment, and Motronic control maps equipment includes microprocessor
Device, data and program storage and input and output peripheral hardware and therefore it can implement at least temporarily by the noise of engine
Radiation (Schallabstrahlung) is reduced to preferably make laws upper defined degree and/or the measure under it.
Background technology
A kind of power management for power assembly is illustrated from the A1 of open source literature DE 2,006 026 614, wherein
For the operation characteristic of the diesel engine that adjusts motor vehicle, the computer of vehicle guiding wherein
(Fahrzeugfuehrungsrechner) fuel injection of electronics is adjusted according to engine speed.The acceleration of engine speed
The characteristic in computer is guided to adjust by inputting vehicle, it configures rotating speed acceleration, engine and turned associated with each other
The theoretical value of speed and car speed.Allow to that the rotating speed of engine can be limited according to speed and rotating speed by means of characteristic field herein
Acceleration.The theoretical value of parameters rotating speed acceleration, engine speed and car speed is transferred to engine controller simultaneously
And cause engine adapted to corresponding load condition and corresponding to desired dynamic characteristics to accelerate there.
It is taught that a kind of motor vehicle of low noise, especially lorry or public vapour in the A1 of open source literature EP 545 027
Car, reduction/limitation of the noise radiation of engine wherein can be realized via its runing adjustment.In this regard, in Motronic control maps
(it is at least partially different from the full load line of standard to the value of different full load lines and speed limit line (Abregellinie) in equipment
With the value of speed limit line) intervention (einspringen), the value extracted from full load line and/or speed limit line is in engine
Jet pump is adjusted in the meaning of noise reduction operation, wherein, in the free or additional data for using of Motronic control maps equipment
Power and the full load line and the value of speed limit line of rotating speed reduction are stored in memory space.
The content of the invention
The present invention/innovation purpose is the noise radiation for reducing vehicle while ensuring the vehicle in road traffic
Higher security.In addition, the purpose of the present invention is that while that the noise radiation of motor vehicle at least temporarily reduces and to keep it to start
The power and invariablenes turning speed of machine and the security for improving vehicle.
The purpose is realized by the feature of claim 1 or 15.The present invention's is advantageously improved scheme from appurtenance
It is required that being drawn in 2 to 14.
It is considered as the core of the present invention, the reduction of the noise radiation of engine can be by being related to arranging for its runing adjustment
Apply to implement, so that the free and/or additional data storage space for using of Motronic control maps equipment is connected to drop
In pattern of making an uproar, its at least temporarily consumption rises ground and at least works simultaneously approximate power and invariablenes turning speed and reduce driving
The noise emission of device and/or engine.Rail pressure (Raildruck) is reduced particularly by noise reduction mode, is placed in injection later
At the time of and/or higher volume of fuel dosage component is provided.The present invention emphasis be, it is understood that noise reduction need not be forced to lead to
Overpower reduce and realizes, but power and rotating speed it is at least identical and this fuel consumption raising in the case of can also implement to
Few temporarily or especially pattern of short time noise reduction.Especially as begun in the prior art when going up a slope and/or in overtaking process
The power drop in order to reduce motor vehicle noise radiation illustrated by end can be formed when the driver of motor vehicle is dangerous,
Because keeping failure for the power desired by the driver of motor vehicle for example during overtaking process and overtaking process needing
Longer period and it must be interrupted if necessary.Special scenes (example for example for wishing engine noise reduction wherein
The scene such as determined according to gps data, acceleration information) the increased fuel on limited, the preferably short period
Consumption can be rational and/or favourable.
Preferably, noise reduction mode activate 5 minutes, the maximum time period of preferably 2 minutes, activation especially preferably 40 seconds
Maximum time period so that immediately the noise reduction mode be converted back in normal mode and motor vehicle usual noise radiation again
In the presence of, wherein, the usual margin of power of engine can be taken during the stage.Illustrated to maximum 5 minutes or such as
Illustrate that the time restriction of ground corresponding smaller period is based on the understanding, i.e. the noise radiation peak value of especially short time is decisive
Ground influences the subjective noise impression of motor vehicle.If now by illustrated measure come the noise radiation of " reduction " motor vehicle
These peak values of characteristic, reduce to decidability the subjective common sensation of motor vehicle noise and realize simultaneously maintaining the used of vehicle
Normal power and rotary speed property.
If in addition, testting the state of exhausted gas post-processing system before noise reduction mode or during it and especially existing
In the case that the conversion ratio of catalyst converter declines and/or more than particularly by represented by exhaust back pressure for particulate filter
It is converted back in normal mode and/or is maintained at normal in the case of horizontal critical value (Fuellstandsgrenzwert)
In pattern, it was demonstrated that be particularly advantageous.
Ensured using the measure, although pursuing noise reduction, but if exhausted gas post-processing system is forbidden to be ready for use on " processing " raising
Exhausted air quantity, then do not implement it.Therefore because at least constant power and rotating speed can prevent noise reduction mode may be to locating after waste gas
The counter productive of reason system.
For this critical value to be employed for example can in this design, i.e., catalyst converter conversion ratio decline 10% and 50% it
Between, preferably between 12% and 15% and/or particularly by the level for particulate filter represented by exhaust back pressure
Critical value is between 60 and 400mbar, preferably between 150 and 250mbar.Temporary transient noise decrease can influence the period
Fuel consumption and/or waste gas discharge.
It is arranged to according to another design of the present invention, pilot injection amount is enhanced with respect to normal mode in noise reduction mode
And/or opened in noise reduction mode and/or than more strongly opening waste gas recycling in the normal mode.The latter causes waste gas
The holding or raising of recirculation rate.Waste gas recycling, which is more strongly opened, to be meaned than comparable in operational factor in the normal mode
In the case of ER EGR Rate raising.
In addition turn out to be it is favourable, if noise reduction mode according to：
- predetermined the tachometer value in 33% to 90% scope of the rated speed of engine,
- more than the threshold value detected at the microphone at motor vehicle,
- exceed actual speed threshold value and/or actual acceleration threshold value and/or
- more than the critical range for TR (Getriebegang) and engine speed
(Grenzbereich) and/or
The combinations of-two or more events mentioned above is used.
In particular, the orientation at the predetermined tachometer value in 33% to 90% scope of the rated speed of engine is herein
It is favourable.By triggering noise reduction mode in the case of at least one in there is event mentioned above, specific aim is answered
Ground " reduction " noise peak.
As the value for actual speed threshold value, it can be set in for lorry and/or car between 30 and 70km/h, preferably
Ground is between 39 and 61km/h.Alternatively or additionally, facing for the transmission ratio more than 2 to 1 less than 6 to 1 can be used
Boundary's scope.
It is associated with the illustrated event for being used to introduce noise reduction mode in the preceding paragraphs with condition, except acceleration threshold
Outside value, additionally it is contemplated that the dependence of the load of vehicle.The load of vehicle can be via buffer characteristics, one or more loads
Weight unit (Wiegezelle) passes through the input of driver and/or the deduction (example of the operation characteristic by LKW in normal condition
Such as via acceleration transducer) determine.Acceleration rate threshold depends on the load of motor vehicle.
For the design of the period of the mode phases of noise reduction, if existed extremely between the mode phases of two low noises
Few period of 5 minutes, the preferably at least period of 2 minutes, the period of particularly preferably at least 30 seconds (
Wherein run vehicle in the normal mode), it was demonstrated that it is favourable.Herein relate to the mode phases in two successive low noises
Between mandatory pause.
It is arranged in another favourable design of the present invention, as long as vehicle is located at first surface section
(Flaechenabschnitt) if in implement first order noise reduction and motor vehicle during etiquette mode and be located at second surface area
Implement second level noise reduction in section during etiquette mode, wherein, first and second grades of noise reduction differences are selected particularly with restriction
The measurement interval (Messabstand) selected at least has the Delta of 3dB acoustic pressures.First and second grades of noise reductions approximately refer to low noise
Sound Mode A and etiquette mode B, the noise radiation of motor vehicle is reduced simultaneously with respect to normal mode during its corresponding mode phases
And wherein, etiquette mode A and etiquette mode B are in view of its noise radiation is distinguished from one another with least 3dB Delta.As
The quadrant of map and/or the section of GPS map system can be used in surface segment.Alternatively in this, motor vehicle for example also can be according to sweeping
Retouch the type (building and/or terrain environment) of terrestrial reference and/or surrounding environment by surface segment recognize with associate/be categorized as city
Or outside city.By the way that the current place of vehicle is associated with outside such as city and city, it may depend on this and activated more in city
The pattern of low noise and the pattern that only low noise is activated outside city.The way be not only attributable to it is higher avoid noise targets and
And be attributable in terms of the higher sound reflection in corresponding place (L rmreflektionsaspekt), thus sound will be
Propagating sound in other words in the metropolitan district built clearly more powerfully will can significantly more perceive subjective.
In addition it can be set to, when motor vehicle is located in first surface section using at least one first threshold for introducing
The pattern of at least one low noise and be used for using Second Threshold that to introduce at least one low when motor vehicle is not in surface segment
The pattern of noise, wherein, the first and second threshold values are different.Therefore except illustrated noise radiation in paragraph above is in drop
The difference made an uproar in Mode A and noise reduction mode B, can also make the startup and introducing of etiquette mode and/or certain etiquette mode
Whether it is located at the information in first or second surface section with therefore motor vehicle depending on location information.Location information is for example related to
Vehicular seat builds associating for not intensive area with the area of the building dense in other words in city or with rural in other words.
Presence of the motor vehicle in first or second or other surface segment can pass through gps system, alignment system, optics
System, vehicle communication system, mobile radio instrument (Mobilfunkgeraet), smart mobile phone, radio broadcasting system, radar
System, infrared system, map system and/or determine and/or determine by being manually entered for driver.
Advantageously detectable building, landform, traffic sign and/or the motion in the surrounding environment of vehicle of optical system
Object and one is chosen from least two different environmental forms from these objects detected, wherein, according to
The grade of selected or associated environmental form noise reduction and/or the threshold value change for introducing noise reduction mode.For example detect
Pedestrian or other traffic participants in the surrounding environment of vehicle so that thus can derive the necessity for introducing noise reduction mode
Property.Therefore, the startup can be made to depend on the potential noise Rx person in the surrounding environment of vehicle.
If the grade of noise reduction and/or for introducing the threshold value of noise reduction mode according to the weather sensor at vehicle, wet
Spend the value of sensor and/or rain sensor and/or according to the weather condition associated with the location of vehicle and/or according to by light
Weather information and/or changed according to surrounding environment and especially the sound reflection characteristic in track that sensor is detected, it is
Another favourable measure.For example on moist street (it is characterised by the grade of the raising of sound reflection in addition), earlier
And/or the introducing of the mode phases of " reinforcement " noise reduction can be favourable.Therefore according to presence in the favourable form of implementation
The matching of " acoustic condition " (reflection characteristic of surrounding environment) to carry out noise reduction mode outside vehicle (starts threshold value, noise reduction
Grade, mode duration).
Present invention does not extend only into illustrated motor vehicle, and usually extends to be used to influence with above-mentioned
The method of the noise radiation of the motor vehicle of feature.Embodiment in reference to the accompanying drawings elaborates the present invention.
Claims (32)
1. a kind of motor vehicle of noise radiation reduction, it carries engine, and its operation can be via jet pump by starting electromechanics
Sub- equipment is adjusted, and the Motronic control maps equipment includes microprocessor, data and program storage and input and output is outer
And if therefore, it is possible to implement the measure at least temporarily reducing the noise radiation of the engine, it is characterised in that institute
Stating the reduction of the noise radiation of engine can be implemented by being related to the measure of its runing adjustment, so that the engine
The free and/or additional data storage space for using of electronic equipment is connected in noise reduction mode, and the pattern is at least temporary
When consumption rise ground and at least work approximate power and invariablenes turning speed and reduce the noise emission of engine simultaneously.
2. the motor vehicle of noise radiation reduction according to claim 1, it is characterised in that the noise reduction mode continues 5 points
The maximum time period of clock and it is next to this and is converted back in normal mode.
3. the motor vehicle of noise radiation reduction according to claim 1 or 2, it is characterised in that the noise reduction mode it
State preceding or that exhausted gas post-processing system is test during it.
4. the motor vehicle of noise radiation reduction according to claim 3, it is characterised in that there is the conversion ratio of catalyst converter
In the case of decline and/or in the case of more than the horizontal critical value for particulate filter, the normal mode is converted back to
In formula and/or it is maintained in the normal mode.
5. the motor vehicle of noise radiation reduction according to claim 4, it is characterised in that the horizontal critical value passes through row
Gas back pressure is represented.
6. the motor vehicle of the noise radiation reduction according to claim 4 or 5, it is characterised in that the conversion of the catalyst converter
The decline of rate between 10% and 50% and/or for the particulate filter the horizontal critical value 60 with
Between 400mbar.
7. the motor vehicle of noise radiation reduction according to claim 1 or 2, it is characterised in that in the noise reduction mode
The relatively described normal mode of pilot injection amount is elevated and/or is kept compared with the normal mode in the noise reduction mode
Or improve ER EGR Rate.
8. the motor vehicle of noise radiation reduction according to claim 1 or 2, it is characterised in that the noise reduction mode according to
Predetermined tachometer value, basis in 33% to 90% scope of the rated speed of the engine exceed at the motor vehicle
Microphone at detected threshold value, according to exceeding actual speed threshold value and/or actual acceleration threshold value and/or according to super
The two or more combinations crossed in the critical range and/or above-mentioned event for TR and engine speed
To use.
9. the motor vehicle of noise radiation reduction according to claim 8, it is characterised in that the actual speed for lorry
Degree threshold value is between 30 and 70km/h and/or the critical range of transmission ratio is more than 2:1 and less than 6:1.
10. the motor vehicle of the noise radiation reduction according to claim 8, it is characterised in that the acceleration rate threshold takes
Certainly in the load of motor vehicle.
11. the motor vehicle of noise radiation reduction according to claim 1 or 2, it is characterised in that in two noise reduction mode ranks
Period between section at least in the presence of 5 minutes.
12. the motor vehicle of noise radiation reduction according to claim 1 or 2, it is characterised in that as long as the motor-driven parking stall
As long as implementing first order noise reduction during the noise reduction mode in first surface section, the motor vehicle is located at second surface
Implement second level noise reduction in section during the noise reduction mode, wherein, first and second grades of noise reduction differences.
13. the motor vehicle of noise radiation reduction according to claim 8, it is characterised in that when the motor vehicle is located at the
Apply at least one first threshold for introducing at least one noise reduction mode when the motor vehicle is located at when in one surface segment
Using Second Threshold for introducing at least one noise reduction mode when in second surface section, wherein, described first and described second
Threshold value is different.
14. the motor vehicle of noise radiation reduction according to claim 12, it is characterised in that the motor vehicle first or
Second or other surface segment in presence pass through alignment system, optical system, motor vehicle communication system, mobile radio
Instrument, smart mobile phone, radio broadcasting system, radar system, infrared system, map system and/or pass through the manual defeated of driver
Enter to determine and/or determine.
15. the motor vehicle of noise radiation reduction according to claim 14, it is characterised in that be arranged in the institute at motor vehicle
State building, landform, traffic sign and/or the object of motion of the optical system detection in the surrounding environment of the motor vehicle simultaneously
And one is chosen from least two different environmental forms from these objects detected, wherein, the noise reduction etc.
Level and/or changed for the threshold value for introducing the noise reduction mode according to selected environmental form.
16. the motor vehicle of noise radiation reduction according to claim 1 or 2, it is characterised in that the grade of the noise reduction
And/or for introduce the threshold value of the noise reduction mode according to the weather sensor at the motor vehicle, humidity sensor and/or
The numerical value of rain sensor and/or passed according to the weather condition associated with the location of the motor vehicle and/or according to by optics
The Weather information that sensor is detected changes.
17. the motor vehicle of noise radiation reduction according to claim 1, it is characterised in that the motor vehicle be lorry or
Person's bus.
18. the motor vehicle of noise radiation reduction according to claim 1, it is characterised in that the engine is diesel engine.
19. the motor vehicle of noise radiation reduction according to claim 1, it is characterised in that by the noise reduction mode come
Rail pressure is reduced, injection is placed in later moment and/or higher volume of fuel dosage component is provided.
20. the motor vehicle of noise radiation reduction according to claim 1, it is characterised in that the noise reduction mode continues 2 points
The maximum time period of clock and it is next to this and is converted back in normal mode.
21. the motor vehicle of noise radiation reduction according to claim 1, it is characterised in that the noise reduction mode continues 40
Second maximum time period and be next to this and be converted back in normal mode.
22. the motor vehicle of noise radiation reduction according to claim 6, it is characterised in that the conversion ratio of the catalyst converter
Decline between 12% and 15%.
23. the motor vehicle of noise radiation reduction according to claim 6, it is characterised in that for the particulate filter
The horizontal critical value between 150 and 250mbar.
24. the motor vehicle of noise radiation reduction according to claim 9, it is characterised in that the reality for lorry
Threshold speed is between 39 and 61km/h.
25. the motor vehicle of noise radiation reduction according to claim 1 or 2, it is characterised in that in the mould of two low noises
Period between the formula stage at least in the presence of 2 minutes.
26. the motor vehicle of noise radiation reduction according to claim 1 or 2, it is characterised in that in the mould of two low noises
Period between the formula stage at least in the presence of 30 seconds.
27. the motor vehicle of noise radiation reduction according to claim 12, it is characterised in that first and second grades of drops
Make an uproar at least has the Delta of 3dB acoustic pressures in selected measurement interval.
28. the motor vehicle of noise radiation reduction according to claim 14, it is characterised in that the alignment system is GPS
System.
29. a kind of be used to influence the method for the noise radiation of motor vehicle, the motor vehicle carries engine, and it is run with least temporary
When the measure that reduces the noise radiation of the engine can change, it is characterised in that the noise radiation of the engine
Reduction can be implemented by being related to the measure of its runing adjustment, so that the runing adjustment is at least temporarily connected to noise reduction mould
In formula, at least interim consumption of the pattern rises ground and at least works and reduce approximate power and invariablenes turning speed simultaneously
The noise emission of engine.
30. method according to claim 29, it is characterised in that the motor vehicle is lorry or bus.
31. method according to claim 29, it is characterised in that the engine is diesel engine.
32. method according to claim 29, it is characterised in that rail pressure is reduced by the noise reduction mode, will be sprayed
It is placed in later moment and/or higher volume of fuel dosage component is provided.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012004585A DE102012004585A1 (en) | 2012-03-09 | 2012-03-09 | Schallabstrahlreduziertes motor vehicle |
| DE102012004585.9 | 2012-03-09 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103306823A CN103306823A (en) | 2013-09-18 |
| CN103306823B true CN103306823B (en) | 2017-08-04 |
Family
ID=47900421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310074308.6A Active CN103306823B (en) | 2012-03-09 | 2013-03-08 | The motor vehicle of noise radiation reduction |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9200579B2 (en) |
| EP (1) | EP2636877A3 (en) |
| CN (1) | CN103306823B (en) |
| DE (1) | DE102012004585A1 (en) |
| IN (1) | IN2013CH00935A (en) |
| RU (1) | RU2603631C2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104564392A (en) * | 2013-10-14 | 2015-04-29 | 北汽福田汽车股份有限公司 | Method for reducing external vehicle noise during accelerated running of vehicle |
| DE102015223223A1 (en) * | 2015-11-24 | 2017-05-24 | Bayerische Motoren Werke Aktiengesellschaft | Method for adjusting the noise emission of a vehicle |
| DE102016104191A1 (en) | 2016-03-08 | 2017-09-14 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Method for controlling and regulating a motor vehicle |
| US9827989B1 (en) * | 2016-05-24 | 2017-11-28 | GM Global Technology Operations LLC | Vehicle noise and vibration interface optimization |
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